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