Perhaps you should try some spelling variations:
"trong ca chap snippets" » "trong ca code snippets", "trong cac chap snippets", "trong van chap snippets", "trong nha chap snippets", "trong cau chap snippets", "trong ca cham snippets", "trong ca chep snippets"
"locating bug core snippets" » "locating bug code snippets"
"hanh java java snippets" » "hanh va java 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: (((("hanh java java snippets") or ("trong ca chap snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh java java snippets") OR ("trong ca chap snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hanh java java snippets ) or ( trong ca chap snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh java java snippets") or ("trong ca chap snippets"))) or ("locating bug core snippets"))*.