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