Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khat lua cau snippets" » "khat lua code snippets", "chat lua cau snippets", "khat sua cau snippets", "khau luan cau snippets", "khat luat cau snippets", "khat cua cau snippets", "khat quan cau snippets"
"python using java snippets" » "python using data 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: (((("khat lua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khat lua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khat lua cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khat lua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.