Perhaps you should try some spelling variations:
thien quang » trien quang, thieu quang, tien quang
thien quan » trien quang, lien quan, thien van
thong cong » trong cong, tong cong, thong thong
chinh va » chinh ta, chinh tai, tinh va
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien ((thien quang) or (thien quan)) - hanh ((chinh va) OR (hanh va)) thong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien ((thien quang) OR (thien quan)) - hanh ((chinh va) OR (hanh va)) thong cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thien ((thien quang) or (thien quan)) - hanh ((chinh va) OR (hanh va)) thong cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: thien ((thien quang) or (thien quan)) - hanh ((chinh va) OR (hanh va)) thong cong tan than cap*.