Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tiep cua voi snippets" » "tiep can voi snippets", "dieu cua voi snippets", "tap cua voi snippets", "tiep chua voi snippets", "tiep cua vi snippets", "tiep cua hoi 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: (((("tiep cua voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tiep cua voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tiep cua voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tiep cua voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.