Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao hay cham snippets" » "tao hanh cham snippets", "tao va cham snippets", "tao hay nhat snippets", "tao may cham snippets", "tao cay cham snippets", "tao xay cham 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: (((("tao hay cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao hay cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao hay cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao hay cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.