Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
dang cong » dung cong
tung cao » nung cao, truong cao, trung cap
cong van » cong vang, cong san, song van
ban can » ban dan, ban hang, ban hanh

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 - thanh tung cao dang cong van ban can~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh tung cao dang cong van ban can*.