Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap vit con snippets" » "phap vit code snippets", "phap viet con snippets", "phap vat con snippets", "pham viet con snippets", "phap vi con snippets", "phap vot con 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 ("phap vit con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phap vit con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phap vit con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phap vit con snippets"))) or ("locating bug core snippets"))*.