Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kieu tan cho snippets" » "kieu van cho snippets", "kieu trang cho snippets", "kieu thanh cho snippets", "kieu tang cho snippets", "kieu toan cho snippets", "kieu san 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: (((("kieu tan 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: (((("kieu tan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kieu tan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieu tan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.