Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho chua mot snippets" » "cho chu mot snippets", "ho chua mot snippets", "cha chua mot snippets", "cho cua mot snippets", "cho nhu mot snippets", "cho chua may 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: (((("cho chua mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho chua mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho chua mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho chua mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.