Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu tap can snippets" » "hieu tap code snippets", "hieu phap can snippets", "hieu thao can snippets", "hieu toan can snippets", "hieu tap van snippets", "hieu tap cac snippets", "hieu tac can 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: (((("hieu tap can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu tap can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu tap can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu tap can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.