Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
tu cach » tu cac
lam cua » nam cua, lam chat
lap cua » lai cua, tap cua, ap cua
cam duc » cam xuc, cao duc, pham duc
cach tu » cach thuc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach tu ((nang xa) or (nang ma)) hoi. hieu ve cam duc va thanh ((lap cua) OR (lam cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach tu ((nang xa) OR (nang ma)) hoi. hieu ve cam duc va thanh ((lap cua) OR (lam cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach tu ((nang xa) or (nang ma)) hoi. hieu ve cam duc va thanh ((lap cua) OR (lam cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu cach tu ((nang xa) or (nang ma)) hoi. hieu ve cam duc va thanh ((lap cua) OR (lam cua)) tre*.