Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thieu tinh » trieu tinh, chieu tinh, thien tinh
hanh tranh » hanh trinh, hanh trang, lanh tranh
phuong van » phung van, phong van, phuong lan
cua nhung » va nhung
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu tinh - ((hanh tranh) or (canh tranh)) cua nhung phuong van ((tuan ban) OR (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - ((hanh tranh) OR (canh tranh)) cua nhung phuong van ((tuan ban) OR (luan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu tinh - ((hanh tranh) or (canh tranh)) cua nhung phuong van ((tuan ban) OR (luan ban))".
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - ((hanh tranh) or (canh tranh)) cua nhung phuong van ((tuan ban) OR (luan ban))*.