Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets", "data using java slippers"
"hoang thi code snippets" » "hoang thi cong snippets", "hoang thi hoe snippets", "hoang thi code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoang thi code snippets") or ("data using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang thi code snippets") OR ("data using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang thi code snippets ) or ( data using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang thi code snippets") or ("data using java snippets"))) or ("locating bug code snippets"))*.