Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cham tuc » nham thuc, pham thuc, tham thuc
hang tai » hang va, dung tai
hang dau » hang va
nang mai » nang ma, nang tai, lang mai
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tuc van » thuc van, truc van, tuc va
mai hoi » mai khoi, dai hoi, lai hoi
te sach » toc sach
y nang » ky nang, ly nang, v nang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang mai hoi. hieu ve cham tuc van ((hang dau) OR (hang tai)) ((cua te) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang mai hoi. hieu ve cham tuc van ((hang dau) OR (hang tai)) ((cua te) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang mai hoi. hieu ve cham tuc van ((hang dau) OR (hang tai)) ((cua te) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang mai hoi. hieu ve cham tuc van ((hang dau) OR (hang tai)) ((cua te) or (cua triet))*.