Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi tuc cua snippets" » "hoi suc cua snippets", "hoi tu cua snippets", "hoi uc cua snippets", "hoi thuc cua snippets", "hoi tac cua snippets", "hoi luc cua 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: (((("hoi tuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi tuc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi tuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi tuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.