Perhaps you should try some spelling variations:
trinh doc » trinh do, trinh hoa, trinh co
va trinh » van trinh, va tinh, lap trinh
lam duoc » nam duoc, luat duoc, lam thuoc
te sach » toc sach
lam xuc » cam xuc
doc cuu » doc cua, doc cuoc
thi van » thi lan, thi hanh, thi nang
lang ha » long ha
lang xa » dang xay, lang van
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y ((lang xa) OR (lang ha)) hoi. thi van ((lam xuc) or (lam duoc)) va trinh doc cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((lang xa) OR (lang ha)) hoi. thi van ((lam xuc) OR (lam duoc)) va trinh doc cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((lang xa) OR (lang ha)) hoi. thi van ((lam xuc) or (lam duoc)) va trinh doc cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) OR (lang ha)) hoi. thi van ((lam xuc) or (lam duoc)) va trinh doc cuu tre*.