Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi huy vong snippets" » "hoi huy dong snippets", "hoi hay vong snippets", "hop huy vong snippets", "hoi huyen vong 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 huy vong 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 huy vong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi huy vong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi huy vong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.