Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang luoc ve snippets" » "nang luc ve snippets", "nang luong ve snippets", "nang doc ve snippets", "nang nuoc ve snippets", "nang luoc va snippets", "nang luoc vu 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: (((("nang luoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang luoc ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang luoc ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang luoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.