Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets"
"cung cac che snippets" » "cuong cac che snippets", "cung cap che snippets", "dung cac che snippets", "cung cac he snippets", "cung cac chien snippets", "cung cac chat 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: (((("cung cac che snippets") or ("data using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung cac che snippets") OR ("data using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung cac che snippets ) or ( data using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung cac che snippets") or ("data using java snippets"))) or ("locating bug code snippets"))*.