Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chia da snippets" » "hoc chi da snippets", "hoc khia da snippets", "hoc chinh da snippets", "hoc chua dac snippets", "hoc chua dan snippets", "hoc chua dau 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: (((("hoc chia da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chia da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chia da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chia da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.