Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
lang ha » long ha
hieu va » lieu va, hieu qua
ky lang » ky nang, ky dang, ky tang
va cam » va cham, va cac, va cao
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi
loc va » luc va
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky lang ha hoi. hieu va cam ((truc va) or (((loc va) or (hoc va)))) hanh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang ha hoi. hieu va cam ((truc va) OR (((loc va) OR (hoc va)))) hanh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky lang ha hoi. hieu va cam ((truc va) or (((loc va) or (hoc va)))) hanh tri cua tre*.