Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu vat do snippets" » "thuc vat do snippets", "thu va do snippets", "thuat vat do snippets", "thu vat doi snippets", "thu vat co snippets", "thu vat da snippets"
"locating bug code snippets" » "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: (((("thu vat do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu vat do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu vat do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu vat do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.