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