Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang ca bo snippets" » "hang va bo snippets", "nang cao bo snippets", "hang tai bo snippets", "hang cua bo snippets", "hang can bo snippets", "hang cac bo 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: (((("hang ca bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang ca bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang ca bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang ca bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.