Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hai cau snippets" » "thu ha cau snippets", "thu nhap cau snippets", "thu hang cau snippets", "thu hai chau snippets", "thu hai chu snippets", "thu hai hau 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 hai cau 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 hai cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hai cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hai cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.