Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh trinh » canh tranh, hanh chinh
tong thong » thong thong, dong thong, thong thuong
cong thong » cong thuong, cong trong, dong thong
hoc thieu » toc thieu, hoc hien
van toan » van tuan, van tan, van thanh
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: hoc thieu manh - hanh trinh luat ((tong thong) or (cong thong)) van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - hanh trinh luat ((tong thong) OR (cong thong)) van toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - hanh trinh luat ((tong thong) or (cong thong)) van toan cao*.