Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan thi cua snippets" » "lan thi code snippets", "luan thi cua snippets", "loan thi cua snippets", "dan thi cua snippets", "lan thai cua snippets", "lan thi cuc snippets", "lan tri cua snippets"
"python using java snippets" » "python using data 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: (((("lan thi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan thi cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( lan thi cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan thi cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.