Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"cau hoc cuu snippets" » "cau hoi cuu snippets", "cau hoa cuu snippets", "cao hoc cuu snippets", "cau hoc huu snippets", "cau hoc cua snippets", "cau hoc cau 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 hoc cuu snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau hoc cuu snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( cau hoc cuu snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau hoc cuu snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.