Perhaps you should try some spelling variations:
khong luong » khong xuong, thuong luong, phuong luong
theo chieu » theo tieu, ho chieu, theo chu
chieu lang » chieu sang, hieu lang, chi lang
doanh hoac » doanh hoan, danh hoa, doanh ha
doanh khoa » toan khoa
luong va » dung va
han tap » han tai, toan tap, nhan tai
va han » va phan, va hanh, van han

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu lang - hang ((doanh hoac) OR (doanh khoa)) khong luong va han tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu lang - hang ((doanh hoac) OR (doanh khoa)) khong luong va han tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu lang - hang ((doanh hoac) OR (doanh khoa)) khong luong va han tap*.