Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong va canh snippets" » "dung va canh snippets", "dong ha canh snippets", "luong va canh snippets", "dong van canh snippets", "dong va cach snippets", "dong ve canh snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 va canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong va canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong va canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong va canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.