Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hai van cac snippets" » "hai van code snippets", "thai van cac snippets", "ha van cac snippets", "hai tan cac snippets", "hai van hac snippets", "hai van cau snippets", "hai van bac 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 ("hai van cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hai van cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hai van cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hai van cac snippets"))) or ("locating bug core snippets"))*.