Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang mai so snippets" » "hoang hai so snippets", "hoang manh so snippets", "hoang thai so snippets", "hoang mai son snippets", "hoang mai co snippets", "hoang dai 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: (((("hoang mai 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: (((("hoang mai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang mai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang mai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.