Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cua voi snippets" » "thai cua voi snippets", "thi cuc voi snippets", "tri cua voi snippets", "thi chua voi snippets", "thi cua vi snippets", "thi 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: (((("thi 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: (((("thi cua voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cua voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cua voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.