Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tham cuu snippets" » "dong tham code snippets", "dong tam cuu snippets", "hong tham cuu snippets", "dong thap cuu snippets", "dong cham cuu snippets", "dong tham cung snippets", "dong thai cua snippets"
"dung java java snippets" » "dung 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: (((("dong tham cuu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tham cuu snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong tham cuu snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tham cuu snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.