Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trien he ca snippets" » "thien hue ca snippets", "trien ben ca snippets", "trien nha ca snippets", "trien he cac snippets", "trien he can snippets", "trien he cao 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: (((("trien he ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trien he ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trien he ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trien he ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.