Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai va chat snippets" » "thai va chat snippets", "hai va chat snippets", "khi va chat snippets", "khai van chat snippets", "khai va phat snippets", "khai va cham 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: (((("khai va chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai va chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai va chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai va chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.