Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mong moi con snippets" » "mong moi code snippets", "mong doi con snippets", "trong moi con snippets", "mong muon con snippets", "mong moi cong snippets", "mong moi co snippets", "mong mot 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: (((("mong moi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong moi con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mong moi con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong moi con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.