Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
cong trong » cong thuong, duong trong, cong trinh
hoc thieu » toc thieu, hoc hien
cong nang » cong ngang, cong lang, cong nong
tung cua » trung cua, tuong cua, dung cua
phan cac » nhan cach, phan dau, phan lap

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 tung cua cong ((cong nang) or (cong trong)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung cua cong ((cong nang) OR (cong trong)) phan cac*.