Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"man vat duoc snippets" » "man dat duoc snippets", "man luat duoc snippets", "man xuat duoc snippets", "van vat duoc snippets", "dan vat duoc snippets", "man va duoc snippets", "man vat duoc slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("man vat duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("man vat duoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( man vat duoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("man vat duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.