Perhaps you should try some spelling variations:
trong tuong » trong thuong, trong luong, tuong tuong
chieu xanh » chieu sach, chieu sang, chieu tinh
doanh nang » doanh sang, doanh nhung, doanh quang
hoc chieu » hoc thieu, ho chieu, hoc hien
luc trong » luoc trong, luu trong, cuc trong
tuong dan » huong dan, tung dan, xuong dan
chinh cau » chinh chau, chinh ca, chinh can
chan cau » phan cau, can cau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - doanh nang luc trong tuong dan ((chan cau) or (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - doanh nang luc trong tuong dan ((chan cau) OR (chinh cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - doanh nang luc trong tuong dan ((chan cau) or (chinh cau))*.