Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mat rang cho snippets" » "mat rang code snippets", "mat bang cho snippets", "mat hang cho snippets", "mat trong cho snippets", "mat trang cho snippets", "mat sang cho snippets", "mat rong cho 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: (((("mat rang 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: (((("mat rang cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mat rang cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat rang cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.