Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc ho voi snippets" » "luoc ha voi snippets", "nuoc ho voi snippets", "quoc hoi voi snippets", "luoc pho voi snippets", "luoc hop voi snippets", "luoc hoc voi 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: (((("luoc ho voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc ho voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc ho voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc ho voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.