Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
cua trung » cua truong, xuan trung, cua nhung
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - hanh mang cua trung cong san ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh mang cua trung cong san ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh mang cua trung cong san ((toan cau) or (toan ban))*.