Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chap » tranh cua, trinh chat
chap nhung » chap thuong, cua nhung, tham nhung
nhung cong » dung cong, thong cong, hang cong
tap toan » tap doan, bai toan
tap quan » tac quan, hai quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh tranh chap nhung cong ((tap toan) OR (tap quan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh tranh chap nhung cong ((tap toan) OR (tap quan)) cao".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh tranh chap nhung cong ((tap toan) OR (tap quan)) cao*.