Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong cao cach snippets" » "dong cao code snippets", "duong cao cach snippets", "dong co cach snippets", "dong cho cach snippets", "dong cai cach snippets", "dong cac cach snippets", "dong ca cach snippets"
"hang java java snippets" » "hang 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: (((("hang java java snippets") or ("dong cao cach snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("dong cao cach snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dong cao cach snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dong cao cach snippets"))) or ("locating bug core snippets"))*.