Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khau tap cho snippets" » "khau tai cho snippets", "khu tap cho snippets", "khau nhap cho snippets", "khau tap co snippets", "khau cap cho snippets", "khau tap chi 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: (((("khau tap 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: (((("khau tap cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khau tap cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khau tap cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.