Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
cua truong » cua trung, xuan truong, cac truong
cua trong » cua trung, ca trong, cua tong
qua trong » quan trong, qua trinh, qua song
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » 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: toc thieu xanh - hanh tranh ((((cua trong) OR (qua trong))) or (cua truong)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh tranh ((((cua trong) OR (qua trong))) OR (cua truong)) cong tan toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh tranh ((((cua trong) OR (qua trong))) or (cua truong)) cong tan toan cau*".