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
thoai cac » tai cac, thong cac, tho cac
thai cao » tai cao, thuat cao, toan 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 ((thai cao) OR (thoai cac))~.
• 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 ((thai cao) OR (thoai cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh ((thuat dung) or (luat chung)) cong bang ((thai cao) OR (thoai cac))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh ((thuat dung) or (luat chung)) cong bang ((thai cao) OR (thoai cac))*.