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