Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau luat cho snippets" » "cau luat code snippets", "cap luat cho snippets", "cac luat cho snippets", "cuu luat cho snippets", "cau luat pho snippets", "cau xuat chao snippets", "cau luat bao 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: (((("cau luat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau luat cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cau luat cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau luat cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.