Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cot dieu can snippets" » "cot dieu code snippets", "co dieu can snippets", "cot lieu can snippets", "cong dieu can snippets", "cot dieu hanh snippets", "cot tiep can snippets", "cot dieu cua 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 ("cot dieu can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cot dieu can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cot dieu can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cot dieu can snippets"))) or ("locating bug core snippets"))*.