Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"anh dat cua snippets" » "anh dat code snippets", "thanh dat cua snippets", "lanh dao cua snippets", "dinh dat cua snippets", "anh dai cua snippets", "anh day cua snippets", "anh mat 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: (((("anh dat 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: (((("anh dat cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( anh dat cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh dat cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.