Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hon do snippets" » "cong hon code snippets", "cong hoan do snippets", "cong hoa do snippets", "cong lon do snippets", "cong hon don snippets", "cong hon so snippets", "cong hon bo 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 ("cong hon 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 ("cong hon do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong hon do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong hon do snippets"))) or ("locating bug core snippets"))*.