Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data core snippets" » "using java core snippets", "using sat core snippets", "missing data core snippets"
"dung dat doc snippets" » "dung va doc snippets", "dung tai doc snippets", "dung dat duoc snippets", "dung day doc snippets", "dung dat nuoc 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: (((("using data core snippets") or ("dung dat doc snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data core snippets") OR ("dung dat doc snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using data core snippets ) or ( dung dat doc snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data core snippets") or ("dung dat doc snippets"))) or ("locating bugs code snippets"))*.