Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
quan trong » gian trong
qua trong » qua trinh, qua song, qua cong
ho chieu » theo chieu, hoc thieu, doi chieu
dong van » duong van, dang van, dong von
van chat » cao chat
chat cao » chat co, chat cho, chat bao

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 - hanh tranh ((qua trong) OR (quan trong)) dong van chat cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh tranh ((qua trong) OR (quan trong)) dong van chat cao*".