Perhaps you should try some spelling variations:
thuong trong » thong trong, duong trong, thuoc trong
trinh vat » trinh van, trinh luat, sinh vat
trong van » trong cac
theo chu » theo chieu, cho chu, chao chu
trinh va » trinh van, trinh ve, trinh vi
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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) or (theo tieu)) xanh - hanh ((trinh va) OR (trinh vat)) thuong trong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (theo tieu)) xanh - hanh ((trinh va) OR (trinh vat)) thuong trong van tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chu) or (theo tieu)) xanh - hanh ((trinh va) OR (trinh vat)) thuong trong van tuan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (theo tieu)) xanh - hanh ((trinh va) OR (trinh vat)) thuong trong van tuan cao*.