Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug code slippers", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac van tan snippets" » "cac dan tan snippets", "cac van tuan snippets", "cac van ban snippets", "cac van tai snippets", "cac van tan slippers"

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: (((("cac van tan snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac van tan snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( cac van tan snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac van tan snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.