Perhaps you should try some spelling variations:
"cho thanh java snippets" » "cho thanh va snippets", "cho trinh java snippets", "cho think java snippets", "cho phan java snippets", "tro thanh java snippets", "cuu thanh java snippets"
"python using c snippets" » "python using lc snippets", "python using a snippets", "python using _ snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("python using c snippets") or ("cho thanh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using c snippets") OR ("cho thanh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using c snippets ) or ( cho thanh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using c snippets") or ("cho thanh java snippets"))) or ("locating bug code snippets"))*.