Perhaps you should try some spelling variations:
thanh tung » thanh cong
phong cong » phong chong, thong cong, chong cong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
tung hai » trung hai, dung hai, hung hai
cong san » cong tac
san phan » san pham, van phan, sat phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) OR (hoc thieu)) xanh - thanh tung hai phong cong san phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) xanh - thanh tung hai phong cong san phan tu".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) xanh - thanh tung hai phong cong san phan tu*.