Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tat loi snippets" » "cong tac loi snippets", "cong tan loi snippets", "cong hat loi snippets", "cong bat loi snippets", "cong tai loi snippets", "cong tay 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 tat 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 tat loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong tat loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tat loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.