Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kha hang ton snippets" » "kha nang ton snippets", "nha hang ton snippets", "khach hang ton snippets", "kha hang nong snippets", "kha hang cong snippets", "kha hang tai 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: (((("kha hang ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kha hang ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kha hang ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kha hang ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.