Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri dong du snippets" » "tri cong du snippets", "thi dong du snippets", "tai dong du snippets", "tri dong tu snippets", "tri dong da snippets", "tri dong su 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 dong 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 dong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri dong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri dong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.