Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu thuc ke snippets" » "hieu thuoc ke snippets", "hien thuc ke snippets", "hieu tuc ke snippets", "hieu thuc te snippets", "hieu thuc ve snippets", "hieu chuc ke 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: (((("hieu thuc ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu thuc ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu thuc ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu thuc ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.