Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chung cong » nhung cong, phung cong, chung thong
chong cong » cong cong, thong cong, cuong cong
hoc thieu » toc thieu, hoc hien
manh tung » manh hung, thanh tung
tung phan » trung phan, tuong phan, dung phan
toan cao » toan ban, toan tap

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 - manh tung phan ((chung cong) OR (chong cong)) tinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - manh tung phan ((chung cong) OR (chong cong)) tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh tung phan ((chung cong) OR (chong cong)) tinh toan cao*.