Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tiet va cau snippets" » "tien va cau snippets", "tiet may cau snippets", "viet van cau snippets", "tiet van cau snippets", "tiet va cac snippets", "tiet va dau 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: (((("tiet va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tiet va cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tiet va cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tiet va cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.