Perhaps you should try some spelling variations:
thong trong » thuong trong, thong thong, thong thuong
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
trong tinh » truong tinh, trong kinh, trong sinh
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
toan ban » van ban

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) OR (chieu xanh)) - thanh ((trung va) or (trung ha)) thong trong tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh ((trung va) OR (trung ha)) thong trong tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - thanh ((trung va) or (trung ha)) thong trong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - thanh ((trung va) or (trung ha)) thong trong tinh toan ban*.