Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nho cau chan snippets" » "nho cam chan snippets", "nho chu chan snippets", "nho can chan snippets", "nhu cau chan snippets", "nano cau chan snippets", "nhin cau chan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("nho cau chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nho cau chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nho cau chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nho cau chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.