Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thuat dung » thuat hung, thuat ung, thuat xung
luat chung » luan chung, luat thuong, cua chung
hoc thieu » toc thieu, hoc hien
cong bang » cuong bang, dong bang, hong bang
bang hai » hang hai, dang hai, lang hai
hai cao » thai cao, tai cao, giai cao

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 - hanh trinh ((thuat dung) or (luat chung)) cong bang hai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh ((thuat dung) OR (luat chung)) cong bang hai cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((thuat dung) or (luat chung)) cong bang hai cao*.