Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
su triet » su viet, su tien, ve triet
van tham » van thanh, van tuan, van chat
hanh lai » hanh lam, hanh tai, thanh loi
nang cau » nang cao, hang cau, nang dau
va cham » va chat, va tham
vu sach » vu bach, su sach, vu khach
sach v » sach va, sach y, sach 2
soc va » hoc va, loc va, doc va
v nang » va nang, vu nang, van nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach v nang cau hoi. thien ((va cham) or (van tham)) soc va ((hanh lai) OR (thanh lap)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach v nang cau hoi. thien ((va cham) OR (van tham)) soc va ((hanh lai) OR (thanh lap)) su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach v nang cau hoi. thien ((va cham) or (van tham)) soc va ((hanh lai) OR (thanh lap)) su triet".
• Adding a wildcard symbol may retrieve word variants: vu sach v nang cau hoi. thien ((va cham) or (van tham)) soc va ((hanh lai) OR (thanh lap)) su triet*.