Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong xuan ho snippets" » "dong xuan ho snippets", "ming xuan ho snippets", "mong luan ho snippets", "mong xuan ha snippets", "mong xuan huy snippets", "mong 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: (((("mong 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: (((("mong xuan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong xuan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong xuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.