Perhaps you should try some spelling variations:
tan thanh » tran thanh, tang thanh, toan thanh
thanh lai » thanh hai, thanh lap, thanh loi
cua triet » cua viet, su triet, va triet
lang van » dang van, tang van, hoang van
cham duc » pham duc, cham soc, pham duy
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
lai cua » dai cua, hai cua, lai chau

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 ty ((nang ma) or (lang van)) hoi. hieu va cham duc tan thanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang ma) OR (lang van)) hoi. hieu va cham duc tan thanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((nang ma) or (lang van)) hoi. hieu va cham duc tan thanh lai cua triet*.