Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
tieu tinh » trieu tinh, tieu trinh, lieu tinh
van thong » van thuong, van phong, va thong
thanh ta » thanh tra, thanh tai, thanh tay
cong van » cong vang, cong san, song van
tang ca » tang cua, hang ca, tang ma
ta van » tan van, tap van, va van
tan ca » tan cua, dan ca, tan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - thanh ta van thong ((cong van) or (cong ngang)) ((tan ca) or (tang ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh ta van thong ((cong van) OR (cong ngang)) ((tan ca) OR (tang ca)).
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh ta van thong ((cong van) or (cong ngang)) ((tan ca) or (tang ca))*.