Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"using java code snippets" » "using data code snippets"
"cac lieu data snippets" » "cac lieu dao snippets", "cac bieu dat snippets", "cac lieu da snippets", "bac lieu data snippets", "cac kieu data snippets", "cac bieu 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: (((("using java code snippets") or ("cac lieu data snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("cac lieu data snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cac lieu data snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cac lieu data snippets"))) or ("locating bugs code slippers"))*.