Perhaps you should try some spelling variations:
truc va » thuc va, thuc vat, trung va
va hang » van hang, va nang, va lang
hang di » hang doi, hang vi, hang dien
cua tre » cuu tre, cua triet, dua tren
te sai » te tai, te bai, te lai
sai ky » sac ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang x ho. hieu ((ve cam) OR (va cam)) truc va hang di ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang x ho. hieu ((ve cam) or (va cam)) truc va hang di ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x ho. hieu ((ve cam) or (va cam)) truc va hang di ((cua tre) OR (cua te))*.