Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh dao cho snippets" » "minh danh cho snippets", "minh giao cho snippets", "lanh dao cho snippets", "minh cao cho snippets", "minh dac cho snippets", "minh dao ho 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: (((("minh dao cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh dao cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh dao cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh dao cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.