Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien cac » thien cac, vien cac, hieu cac
hanh vai » hanh vi, hanh va, hanh tai
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
su sac » su sach, su cac, su xac
cua te » cua tu
cua su » qua su
lao va » tao va, cao va, bao va
sac ky » cac ky, sai ky
lo va » lo van, ly va, le va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. hieu hien cac ((lo va) OR (lao va)) hanh vai ((cua te) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. hieu hien cac ((lo va) OR (lao va)) hanh vai ((cua te) OR (cua su)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. hieu hien cac ((lo va) OR (lao va)) hanh vai ((cua te) or (cua su))".
• Adding a wildcard symbol may retrieve word variants: su sac ky lang xa hoi. hieu hien cac ((lo va) OR (lao va)) hanh vai ((cua te) or (cua su))*.