Perhaps you should try some spelling variations:
phuong luong » thuong luong, phuong duong, phuong dung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
va phuong » va thuong, cac phuong
luong dan » huong dan, luong dao, luong van
trung va » truong va, trang va, trung ha
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) OR (chieu sang)) - hanh trung va phuong luong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - hanh trung va phuong luong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - hanh trung va phuong luong dan than cap*.