Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thieu xanh » chieu xanh, thien anh, thien danh
thuat dung » thuat hung, thuat ung, thuat xung
luat chung » luan chung, luat thuong, cua chung
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong bang » cuong bang, dong bang, hong bang
bang thai » ban thai, bang hai, dang thai
thai cao » tai cao, thoai cac, thuat 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) OR (hieu manh)) - hanh trinh ((thuat dung) or (luat chung)) cong bang thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((thuat dung) OR (luat chung)) cong bang thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((thuat dung) or (luat chung)) cong bang thai cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh trinh ((thuat dung) or (luat chung)) cong bang thai cao*.