Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men sinh ho snippets" » "den sinh ho snippets", "benh sinh ho snippets", "kien sinh ho snippets", "men sinh hoc snippets", "men sinh pho snippets", "men sin 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: (((("men sinh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men sinh ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men sinh ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men sinh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.