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