Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung cam so snippets" » "nhung cau so snippets", "nhung nam so snippets", "nhung ca so snippets", "nhung ham so snippets", "nhung cam o 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: (((("nhung cam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cam so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cam so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cam so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.