Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
phuong van » phung van, phong van, phuong lan
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc hieu » hoc thieu, doc hieu, hoc dieu
van tai » von tai, van tuan
tai cao » thai cao, tao cao, tai sao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hieu) or (hoc hien)) lang - hanh tranh cua nhung phuong van tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc hien)) lang - hanh tranh cua nhung phuong van tai cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (hoc hien)) lang - hanh tranh cua nhung phuong van tai cao*.