Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh trinh » hanh chinh
hoc thieu » toc thieu, hoc hien
cua trong » cua truong, cua trung, qua trong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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) or (canh tranh)) cua trong cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((hanh trinh) OR (canh tranh)) cua trong cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((hanh trinh) or (canh tranh)) cua trong cong tan phan cau*.