Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh than so snippets" » "minh thanh so snippets", "minh thang so snippets", "minh thuan so snippets", "minh than sao snippets", "minh than vo snippets", "minh than go 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 than 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: (((("minh than so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh than so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh than so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.