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