Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huu dan canh snippets" » "huu dan code snippets", "huu van canh snippets", "huu dan cach snippets", "huu dan hanh snippets", "huu dang canh snippets", "huu han canh snippets", "huu dat canh 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 canh 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 canh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huu dan canh snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu dan canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.