Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao cau noi snippets" » "dao cau code snippets", "dat cau noi snippets", "da cau noi snippets", "tao cau noi snippets", "dao cau hoi snippets", "dao cau doi snippets", "dao cach noi snippets"
"python using java snippets" » "python using data 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: (((("dao cau noi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao cau noi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao cau noi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cau noi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.