Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu pho que snippets" » "cuu ho que snippets", "cuu phong que snippets", "cuu khoa que snippets", "cuu cho que snippets", "cuu pho hue snippets", "cuu pho quan 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: (((("cuu pho que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu pho que snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu pho que snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu pho que snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.