Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
hoc sac » hoc sach, hoc cac, hoc mac
nang ma » tang ma, sang ma, mang may
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
anh vi » hanh vi, anh va, anh ve
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: hoc sac ky ((nang ma) OR (nang cao)) hoi. hieu ve cac xuc van anh vi ((cua te) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sac ky ((nang ma) OR (nang cao)) hoi. hieu ve cac xuc van anh vi ((cua te) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sac ky ((nang ma) OR (nang cao)) hoi. hieu ve cac xuc van anh vi ((cua te) or (su triet))".
• Adding a wildcard symbol may retrieve word variants: hoc sac ky ((nang ma) OR (nang cao)) hoi. hieu ve cac xuc van anh vi ((cua te) or (su triet))*.