Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung phan » trung thanh, trung ha, dung phan
phan phong » phap phong, phan hong, phan thong
hoc thieu » toc thieu, hoc hien
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran tap » toan tap, tran tan, tran tuan
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh trung phan phong ((cong tan) or (cong san)) ((tran tap) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung phan phong ((cong tan) OR (cong san)) ((tran tap) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung phan phong ((cong tan) or (cong san)) ((tran tap) or (tran van))*.