Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chao dan cac snippets" » "chao dan code snippets", "chao van cac snippets", "hao dan cac snippets", "khao danh cac snippets", "chao dan cach snippets", "chao dang cac snippets", "chao dan ca 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: (((("chao dan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao dan cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chao dan cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao dan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.