Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"can khach do snippets" » "can khach code snippets", "van khanh do snippets", "vay khach do snippets", "cua khach do snippets", "can khac do snippets", "can khach deu snippets", "can khac di 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 ("can khach do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("can khach do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( can khach do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("can khach do snippets"))) or ("locating bug core snippets"))*.