Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang xa hoi. hieu ve cam ((xuc va) or (duc va)) ((hanh vai) or (hanh tai)) cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang xa hoi. hieu ve cam ((xuc va) OR (duc va)) ((hanh vai) OR (hanh tai)) cau triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. hieu ve cam ((xuc va) or (duc va)) ((hanh vai) or (hanh tai)) cau triet*.