Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh cai ho snippets" » "trinh tai ho snippets", "trinh cau ho snippets", "trinh cac ho snippets", "trinh cai hoa snippets", "trinh can ho 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: (((("trinh cai ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cai ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cai ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cai ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.