Perhaps you should try some spelling variations:
nhanh thanh » phan thanh, nhanh tinh
phuong dung » thong dung, cuong dung, phuong hoang
hoc khien » hoc hien, hoc nghien, hoc vien
hoc thieu » toc thieu, hoc hien
va phuong » va thuong, cac phuong
dung dung » ung dung, dung ung, dung dong
dung phan » dung nhan, dung luan, dung ha
thanh va » thanh van, hanh va, thanh ha
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 khien) or (hoc thieu)) tinh - nhanh thanh va phuong dung dung phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc khien) OR (hoc thieu)) tinh - nhanh thanh va phuong dung dung phan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc khien) or (hoc thieu)) tinh - nhanh thanh va phuong dung dung phan cau*.