Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi mach cua snippets" » "thi bach cua snippets", "thi hanh cua snippets", "thi mai cua snippets", "thi manh cua snippets", "thi cach cua snippets", "thi sach cua 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: (((("thi mach cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi mach cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi mach cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi mach cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.