Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach xuan ho snippets" » "anh xuan ho snippets", "bach qua ho snippets", "sach luan ho snippets", "bach xuan ha snippets", "bach xuan huy snippets", "bach xuan thu 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: (((("bach xuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach xuan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach xuan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach xuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.