Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tai loi snippets" » "cong thai loi snippets", "cong tac loi snippets", "dong tai loi snippets", "cong tai hoi snippets", "cong tat loi 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: (((("cong tai loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tai loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong tai loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tai loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.