Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, hang tai, han tai
hanh lai » hanh lam, thanh lap, thanh loi
sach ty » sach y, sach tu, sach thu
vu sach » vu bach, su sach, vu khach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
cham xu » chao xu, cham cuu, chat xuc
xu van » tu van, vu van, su van
x hoi » xa hoi, o hoi, 5 hoi

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 ty nang ((x hoi) or (x ho)). hieu ve cham xu van ((hanh lai) OR (hanh tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang ((x hoi) OR (x ho)). hieu ve cham xu van ((hanh lai) OR (hanh tai)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty nang ((x hoi) or (x ho)). hieu ve cham xu van ((hanh lai) OR (hanh tai)) cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang ((x hoi) or (x ho)). hieu ve cham xu van ((hanh lai) OR (hanh tai)) cua triet*.