Perhaps you should try some spelling variations:
lam truoc » lam thuoc, nam truoc, lam truong
trinh do » trinh ky
va trinh » van trinh, va tinh, lap trinh
luat tuc » luat thue
so sach » so sanh, bo sach, co sach
nang ho » nang hoc, nang co, tang ho
lam tuc » lam thuoc, nam thuc, lam duoc
y nang » ky nang, ly nang, v nang
ho hai » hoc hai, pho hai, cho hai
do cua » doi cua, co cua, de cua
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: so sach y nang ho hai. lieu va ((((lam tuc) OR (lam truoc))) or (luat tuc)) va trinh do cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y nang ho hai. lieu va ((((lam tuc) OR (lam truoc))) OR (luat tuc)) va trinh do cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang ho hai. lieu va ((((lam tuc) OR (lam truoc))) or (luat tuc)) va trinh do cua te".
• Adding a wildcard symbol may retrieve word variants: so sach y nang ho hai. lieu va ((((lam tuc) OR (lam truoc))) or (luat tuc)) va trinh do cua te*.