Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ve khieu doi snippets" » "ve nhiet doi snippets", "ve khieu nai snippets", "ve khi doi snippets", "vu khieu doi snippets", "va hieu doi snippets", "vo hieu doi 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: (((("ve khieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ve khieu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ve khieu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ve khieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.