Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ve canh de snippets" » "van canh de snippets", "ve thanh de snippets", "ve canh dep snippets", "ve cach de snippets", "ve hanh de 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: (((("ve canh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ve canh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ve canh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ve canh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.