Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong anh he snippets" » "dong anh code snippets", "hong anh he snippets", "dong thanh he snippets", "hoang anh he snippets", "dong hanh he snippets", "dong anh ha snippets", "dong anh ve snippets"
"python using java snippets" » "python using 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: (((("python using java snippets") or ("dong anh he snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dong anh he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong anh he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong anh he snippets"))) or ("locating bug core snippets"))*.