Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat chung » luan chung, luat thuong, cua chung
hoc thieu » toc thieu
thuat ung » thuat dung, thuat hung, thuat xung
cong tan » cong tac, cong san, cong thanh
tan thai » tay thai, ban thai, tan tai
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) OR (hoc hien)) xanh - hanh trinh ((thuat ung) or (luat chung)) cong tan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - hanh trinh ((thuat ung) OR (luat chung)) cong tan thai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) xanh - hanh trinh ((thuat ung) or (luat chung)) cong tan thai cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) xanh - hanh trinh ((thuat ung) or (luat chung)) cong tan thai cao*.