Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau ben cho snippets" » "hau den cho snippets", "phau benh cho snippets", "hau bong cho snippets", "hau benh cho snippets", "hau ben chi snippets", "hau nen cho 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: (((("hau ben cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hau ben cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau ben cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau ben cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.