Perhaps you should try some spelling variations:
hoa lang » hoa dan, hoa van
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
van hoc » van hoa
hieu ve » hieu va, hieu van
va dang » van dang, va nang, va lang
de cua » le cua, te cua, dieu cua
vu dai » vi dai, va dai, vu hai
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: vu dai ((kho tang) or (ky nang)) van hoc. hieu ve cam xuc ((va dang) or (hoa lang)) de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dai ((kho tang) OR (ky nang)) van hoc. hieu ve cam xuc ((va dang) OR (hoa lang)) de cua tre.
• Adding a wildcard symbol may retrieve word variants: vu dai ((kho tang) or (ky nang)) van hoc. hieu ve cam xuc ((va dang) or (hoa lang)) de cua tre*.