Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
phong van » phung van, phong va, hong van
thong van » trong van, thong va, thong quan
cua nung » cua nhung, ca nung, cua nong
tan cao » toan cao, tao cao, tay cao

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 tranh cua nung ((phong van) or (thong van)) tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh tranh cua nung ((phong van) OR (thong van)) tan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh tranh cua nung ((phong van) or (thong van)) tan cao*.