Perhaps you should try some spelling variations:
thanh tung » thanh cong
va phuong » va thuong, cac phuong
khi tinh » khoi tinh, khi sinh, kho tinh
va thong » va thuong, he thong, va cong
cong tac » cong ty
tac han » tac nhan, tac ha, tac can
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi tinh - thanh tung ((va thong) OR (va phuong)) cong tac han tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khi tinh - thanh tung ((va thong) OR (va phuong)) cong tac han tap".
• Adding a wildcard symbol may retrieve word variants: doi khi tinh - thanh tung ((va thong) OR (va phuong)) cong tac han tap*.