Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc dai cau snippets" » "truc dan cau snippets", "truc tai cau snippets", "trung dai cau snippets", "truc dat cau snippets", "truc da cau snippets", "truc dai 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: (((("truc dai 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 dai cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc dai cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc dai cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.