Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
thu sach » tu sach, thuat sach, thuoc sach
sach thi » sach thu, sach tai, sach thieu
thi hanh » thi thanh
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
va triet » va thiet, va trien, ve triet
hanh xa » hanh va, hanh ma, hanh xu
cam duc » cam xuc, cao duc, nam duoc
lap va » tap va

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 thi hanh xa hoi. hieu van ((cam duc) or (pham duc)) va thanh lap va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach thi hanh xa hoi. hieu van ((cam duc) OR (pham duc)) va thanh lap va triet.
• Adding a wildcard symbol may retrieve word variants: thu sach thi hanh xa hoi. hieu van ((cam duc) or (pham duc)) va thanh lap va triet*.