Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh hua » trinh hoa, trinh cua, trinh ha
hua khong » hoa khong, cua khong, hoac khong
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
doan ban » doanh ban, toan ban, doan van

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 tinh - hanh trinh hua khong ((cong tap) OR (cong tac)) doan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh trinh hua khong ((cong tap) OR (cong tac)) doan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh trinh hua khong ((cong tap) OR (cong tac)) doan ban*.