Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"do xuan can snippets" » "do xuan cang snippets", "do xuan tan snippets", "do xuan chanh snippets", "vo xuan can snippets", "ho xuan can snippets", "do tuan can 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: (((("do xuan can snippets") or ("python using java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("do xuan can snippets") OR ("python using java snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( do xuan can snippets ) or ( python using java snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do xuan can snippets") or ("python using java snippets"))) or ("locating bung code snippets"))*.