Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu dan chan snippets" » "huu dan code snippets", "huu dan gian snippets", "huu dan ca snippets", "huu van chat snippets", "huu dang chan snippets", "huu han chan snippets", "huu dat chan 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: (((("huu dan chan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu dan chan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu dan chan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu dan chan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.