Perhaps you should try some spelling variations:
thi chien » thi hien, thi thien, thien chien
chinh sua » chinh cua, chinh luan, hinh su
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
chinh su » hinh su, chinh phu, chinh ta
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

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) or (thi chien)) xanh - hanh ((chinh sua) OR (chinh su)) dung trong van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chien)) xanh - hanh ((chinh sua) OR (chinh su)) dung trong van tan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (thi chien)) xanh - hanh ((chinh sua) OR (chinh su)) dung trong van tan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chien)) xanh - hanh ((chinh sua) OR (chinh su)) dung trong van tan tap*.