Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu quy cham snippets" » "thu quy chau snippets", "thu quy pham snippets", "thu qua cham snippets", "thue quy cham snippets", "tu quy cham snippets", "phu quy 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: (((("thu quy cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu quy cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu quy cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu quy cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.