Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri mo canh snippets" » "tri bo canh snippets", "tri do canh snippets", "tri mo danh snippets", "tri mot canh snippets", "tri moi canh snippets", "thi mo 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: (((("tri mo 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: (((("tri mo canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri mo canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.