Perhaps you should try some spelling variations:
luan thong » luan phong, luan tuong, luat thong
thong cong » trong cong, tong cong, thong thong
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
hach toan » thanh toan, manh toan
chu danh » chuc danh, chu manh, chu dinh
tac toan » tap toan, tam toan, tich toan
chu han » chu van

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 han)) - hanh tang luan thong cong ((tac toan) OR (hach toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu danh) OR (chu han)) - hanh tang luan thong cong ((tac toan) OR (hach toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu danh) or (chu han)) - hanh tang luan thong cong ((tac toan) OR (hach toan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chu danh) or (chu han)) - hanh tang luan thong cong ((tac toan) OR (hach toan)) tap*.