Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru ho cuu snippets" » "tru hoc cuu snippets", "tru so cuu snippets", "truc hoa cuu snippets", "tru ho chu snippets", "tru ho cua 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: (((("tru ho cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tru ho cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru ho cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru ho cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.