Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kieu doan ca snippets" » "kieu doan code snippets", "kiem toan ca snippets", "ket doan ca snippets", "kieu van ca snippets", "kieu doan cap snippets", "kieu dan ca snippets", "kieu doan va 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: (((("kieu doan ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kieu doan ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( kieu doan ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kieu doan ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.