Perhaps you should try some spelling variations:
luat tuc » luat thue
va trinh » van trinh, va tinh, lap trinh
so sanh » do sanh
ly nang » ky nang, ly hang, ly vang
nang ho » nang hoc, nang co, tang ho
lam tuc » lam thuoc, lam truoc, nam thuc
sanh ly » sinh ly, doanh ly, khanh ly
di cua » doi cua, de cua, do cua
ho hai » hoc hai, pho hai, cho hai

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 ly nang ho hai. lieu va ((lam tuc) or (luat tuc)) va trinh ((di cua) OR (dai cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ly nang ho hai. lieu va ((lam tuc) OR (luat tuc)) va trinh ((di cua) OR (dai cua)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ly nang ho hai. lieu va ((lam tuc) or (luat tuc)) va trinh ((di cua) OR (dai cua)) tu".
• Adding a wildcard symbol may retrieve word variants: so sanh ly nang ho hai. lieu va ((lam tuc) or (luat tuc)) va trinh ((di cua) OR (dai cua)) tu*.