Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc thi ke snippets" » "thuc thi ke snippets", "chu thi ke snippets", "thuc thai ke snippets", "chuc thi le snippets", "chuc thi kiem snippets", "chuc thi kieu 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: (((("chuc thi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc thi ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc thi ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc thi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.