Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho tinh co snippets" » "cho sinh co snippets", "cho minh co snippets", "tho tinh co snippets", "cho trinh co snippets", "cho tinh cao snippets", "cho tinh cho 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: (((("cho tinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho tinh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho tinh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho tinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.