Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
tu dang » thu dang, su dang, vu dang
cam hoc » cao hoc, am hoc, cam hoa
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
cua te » cua tu
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: ((tu dang) OR (tu dong)) y nang xa hoi. hieu ve cam hoc va thanh va ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu dang) OR (tu dong)) y nang xa hoi. hieu ve cam hoc va thanh va ((cua te) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dang) OR (tu dong)) y nang xa hoi. hieu ve cam hoc va thanh va ((cua te) or (cuu tre))*".