Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua chung » cua nhung, luan chung, luat chung
luat cong » thuat cong, luat chung, cua cong
tuong dan » huong dan, tung dan, xuong dan
dan toan » van toan, dan than, manh 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: theo tieu xanh - hanh mang ((cua chung) or (luat cong)) tuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh mang ((cua chung) OR (luat cong)) tuong dan toan cau*.