Perhaps you should try some spelling variations:
thieu nganh » hieu nganh, trien nganh, nghiep nganh
thanh trung » thanh tung
nhung tung » nhung tuong, nhung dung, nhung vung
trung ve » trung va, trung vu, trung vi
ve nhung » va nhung, tu nhung
tung dan » dung dan, huong dan, trung dai
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu nganh - thanh trung ve nhung tung dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu nganh - thanh trung ve nhung tung dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: toc thieu nganh - thanh trung ve nhung tung dan ((toan cau) or (toan ban))*.