Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ham vung cac snippets" » "ham vung code snippets", "nam vung cac snippets", "ham hung cac snippets", "hau vung cac snippets", "ham dung cac snippets", "ham luong cac snippets", "ham cuong cac 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: (((("ham vung cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham vung cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ham vung cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham vung cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.