Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh vu hoi snippets" » "hanh vi hoi snippets", "hanh va hoi snippets", "hanh tu hoi snippets", "hanh vu khoi snippets", "hanh vu hai 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: (((("hanh vu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh vu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh vu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh vu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.