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