Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan thi mong snippets" » "dan thi mnong snippets", "dan thi muong snippets", "dan thi cong snippets", "dang thi mong snippets", "tran thi mong snippets", "dinh thi mong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dan thi mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan thi mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thi mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thi mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.