Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc van cau snippets" » "truc va cau snippets", "thuc van cau snippets", "truc ban cau snippets", "truc van dau snippets", "truc van hau snippets", "truc van chat 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: (((("truc van 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: (((("truc van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.