Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hieu van ca snippets" » "hieu van code snippets", "hieu va ca snippets", "thien van ca snippets", "lieu va ca snippets", "hieu van cau snippets", "hieu van cua snippets", "hieu dan ca 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 van ca 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 van ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hieu van ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu van ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.