Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong du chat snippets" » "dong du code snippets", "dong tu chat snippets", "dong da chat snippets", "dong su chat snippets", "dong duoc chat snippets", "dong dung chat snippets", "dong doc chat snippets"
"python using java snippets" » "python using data 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: (((("dong du chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong du chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong du chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong du chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.