Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lang van cho snippets" » "lang van code snippets", "dang van cho snippets", "tang van cho snippets", "hoang van cho snippets", "lang van chi snippets", "lang san cho snippets", "lang van chat 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: (((("lang van cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang van cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lang van cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang van cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.