Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong dan » phuong danh, phuong doan, huong dan
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
tung cap » cung cap, thong cap, trong cap
doi chi » doi khi
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) or (hoc thieu)) xanh - thanh ((tung cap) or (trung cap)) nhung phuong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (hoc thieu)) xanh - thanh ((tung cap) OR (trung cap)) nhung phuong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (hoc thieu)) xanh - thanh ((tung cap) or (trung cap)) nhung phuong dan van ban*.