Perhaps you should try some spelling variations:
phuong doi » huong doi, phuong dong, phuong doan
thuat sach » thuat lanh, thuat san
va phuong » va thuong, cac phuong
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
doi qua » doi cua, hoi qua, doi quy
cam lo » nam lo, cam ly, cam o

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ly nang ((xa hoi) OR (x ho)). hieu ve ((cam loc) OR (cam lo)) va phuong doi qua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ly nang ((xa hoi) or (x ho)). hieu ve ((cam loc) OR (cam lo)) va phuong doi qua su~".
• Adding a wildcard symbol may retrieve word variants: thuat sach ly nang ((xa hoi) or (x ho)). hieu ve ((cam loc) OR (cam lo)) va phuong doi qua su*.