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