Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri dau chi snippets" » "tri du chi snippets", "tri dac chi snippets", "thi dau chi snippets", "tri dau khi snippets", "tri dau cuoi 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 dau chi 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 dau chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri dau chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri dau chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.