Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
hanh phan » thanh phan, anh phan, hanh han
dung cong » dung trong
cong tran » cong tan, cong tuan, cong toan
hanh san » thanh san, khach san, thanh son
qua dung » quang dung, su dung, qua song
tran van » luan 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 phan) or (hanh san)) qua dung cong tran van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((hanh phan) OR (hanh san)) qua dung cong tran van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((hanh phan) or (hanh san)) qua dung cong tran van ban*.