Perhaps you should try some spelling variations:
thanh tung » thanh cong
vap thong » va thong, van thong, phap thong
thong tac » thong cac, tuong tac, thong tai
chi sang » chi lang, chieu sang, chi chang
tung vap » tung va, trung van, tuong vao
tac tuan » tac quan, ta tuan, tai tuan
tuan ban » tuan bang, toan ban, luan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sang - thanh tung vap thong thong tac tuan ban~.
• Adding a wildcard symbol may retrieve word variants: doi chi sang - thanh tung vap thong thong tac tuan ban*.