Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran dao voi snippets" » "tran dao code snippets", "tran dam voi snippets", "tran day voi snippets", "tran dang voi snippets", "tran da voi snippets", "tran dao noi snippets", "tran do voi snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("tran dao voi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran dao voi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tran dao voi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tran dao voi snippets"))) or ("locating bug core snippets"))*.