Perhaps you should try some spelling variations:
xa hanh » xa thanh, xa khanh, va hanh
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, v nang, may nang
cam tu » cam thu, nam tu, dam tu
vai va » mai va, dai va, hai va
ve cam » ve cham, ve cac, va cam
tu xa » tu xay, tu va, te xa

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

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