Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
trong vinh » trong kinh, trong sinh, trong linh
vinh toan » tinh toan, hinh toan, minh toan
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
thang va » hang va, trang va, thong va
toan ban » van ban
tang va » trang va, tang van, tang vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh ((tang va) OR (thang va)) nhung trong vinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh ((tang va) OR (thang va)) nhung trong vinh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh ((tang va) OR (thang va)) nhung trong vinh toan ban*.