Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nang cong » nang song, dang cong, bang cong
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, doi chieu
tung cam » trung cap, tung pham, duong cam
dung cam » dung lam, dung cac, dung nam
hanh lap » thanh lap, hanh lam, hanh luat
hanh cap » hanh cac, hanh cat, hanh cad

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh ((tung cam) or (dung cam)) nang cong bang ((hanh lap) OR (hanh cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((tung cam) OR (dung cam)) nang cong bang ((hanh lap) OR (hanh cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh ((tung cam) or (dung cam)) nang cong bang ((hanh lap) OR (hanh cap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((tung cam) or (dung cam)) nang cong bang ((hanh lap) OR (hanh cap))*.