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