Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
sach duoc » sach nuoc, sach dao, sach dung
thai cua » than cua, tai cuc, tri cua
bac tuc » bac tu, bach tuoc, bac thua
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y ((nang xa) or (nang ma)) hoi. hieu va ((bac tuc) or (sach duoc)) ban thanh thai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang xa) OR (nang ma)) hoi. hieu va ((bac tuc) OR (sach duoc)) ban thanh thai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang xa) or (nang ma)) hoi. hieu va ((bac tuc) or (sach duoc)) ban thanh thai cua triet*.