Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ly nang » ly hang, ly vang, ly quang
lai roi » lai hoi, loi roi
cu tren » dua tren
tu tren » tu truyen, tu tieng, tu trong
va cap » va cac, va dap, va cao
cuu va » cuu van, cuu ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((ly nang) or (ky nang)) lai roi. lieu va cap cuu va thanh vi ((cu tren) or (tu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ly nang) OR (ky nang)) lai roi. lieu va cap cuu va thanh vi ((cu tren) OR (tu tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach ((ly nang) or (ky nang)) lai roi. lieu va cap cuu va thanh vi ((cu tren) or (tu tren))*.