Perhaps you should try some spelling variations:
"nhan va mong snippets" » "nhan va code snippets", "nhan tai mong snippets", "nhan dan mong snippets", "nhan tao mong snippets", "nhan va cong snippets", "nhan va dong snippets", "nhan va thong snippets"
"locating bug core snippets" » "locating bug code 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 ("nhan va mong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nhan va mong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhan va mong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhan va mong snippets"))) or ("locating bug core snippets"))*.