Perhaps you should try some spelling variations:
thuong thong » thong thong, thuong trong, thuong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
truong va » truong dai, truong dao, luong va
thong dan » thong van, tuong dan, thong den
dan phan » doan phan, dan chan, van phan
phan tap » phan lap, han tap, pha tap

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 sach - manh ((truong va) OR (truong cao)) thuong thong dan phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - manh ((truong va) OR (truong cao)) thuong thong dan phan tap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - manh ((truong va) OR (truong cao)) thuong thong dan phan tap*.