Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rap viec o snippets" » "rap xiec o snippets", "lam viec o snippets", "sat viec o snippets", "rap viec so snippets", "rap viec 6 snippets", "rap viec 7 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: (((("rap viec o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rap viec o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rap viec o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rap viec o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.