Perhaps you should try some spelling variations:
khong tuong » khong xuong, khong trong, phong tuong
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh quan, trinh luan
tuong dan » huong dan, tung dan, xuong dan
gian cac » gian dan, gian cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh ((trinh cua) or (trinh luat)) khong tuong dan gian cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh ((trinh cua) OR (trinh luat)) khong tuong dan gian cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh ((trinh cua) or (trinh luat)) khong tuong dan gian cac*.