Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
luan thong » luan phong, luan tuong, luat thong
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
chu danh » chuc danh, chu manh, chu dinh
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan tap » toan ban
chu van » cuu van, chu han

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu danh) or (chu van)) - ((hanh tang) or (hanh mang)) luan thong cong tam toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu danh) OR (chu van)) - ((hanh tang) OR (hanh mang)) luan thong cong tam toan tap.
• Adding a wildcard symbol may retrieve word variants: theo ((chu danh) or (chu van)) - ((hanh tang) or (hanh mang)) luan thong cong tam toan tap*.